40680200 has 108 divisors (see below), whose sum is σ = 106558935. Its totient is φ = 14432000.

The previous prime is 40680187. The next prime is 40680251. The reversal of 40680200 is 208604.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 256036 + 40424164 = 506^2 + 6358^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4510.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 992180 + ... + 992220.

Almost surely, 2^40680200 is an apocalyptic number.

40680200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40680200

40680200 is an abundant number, since it is smaller than the sum of its proper divisors (65878735).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40680200 is a wasteful number, since it uses less digits than its factorization.

40680200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 40680200 is about 6378.1031663027. The cubic root of 40680200 is about 343.9228464071.

Adding to 40680200 its reverse (208604), we get a palindrome (40888804).

The spelling of 40680200 in words is "forty million, six hundred eighty thousand, two hundred".